Artist, programmer, niconico live user.
Japanese name: たかたか (Takataka)
Joke names by his NicoLive listeners: "tktk" or 仙一 (Sen'ichi)
https://www.pixiv.net/users/784293
https://www.pixiv.net/stacc/taka2233
https://twitter.com/taka2233
https://twitter.com/intent/user?user_id=150515354
https://seiga.nicovideo.jp/user/illust/9054374
http://com.nicovideo.jp/community/co550461
http://dic.nicovideo.jp/id/4740372
http://dic.nicovideo.jp/u/9054374
http://www.nicovideo.jp/mylist/8316624
https://www.nicovideo.jp/user/9054374
http://twitpic.com/photos/taka2233
